Drinking cup



FIG. 1 is a perspective view of a drinking cup showing our new design, the threads and lid of the cup being shown in broken lines for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front view of the of the drinking cup of FIG. 1;

FIG. 3 is a top view of the drinking cup of FIG. 1; and,

FIG. 4 is a bottom view of the drinking cup of FIG. 1.

The broken line showing in FIGS. 1-3 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a drinking cup, as shown and described. 